| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 | Samba utility functions
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| 4 | Copyright (C) Andrew Tridgell 1992-1999
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| 5 | Copyright (C) Luke Kenneth Casson Leighton 1996 - 1999
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| 6 |
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| 7 | This program is free software; you can redistribute it and/or modify
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| 8 | it under the terms of the GNU General Public License as published by
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| 9 | the Free Software Foundation; either version 3 of the License, or
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| 10 | (at your option) any later version.
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| 11 |
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| 12 | This program is distributed in the hope that it will be useful,
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | GNU General Public License for more details.
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| 16 |
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| 17 | You should have received a copy of the GNU General Public License
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| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 |
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| 21 | #include "includes.h"
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| 22 | #include "librpc/gen_ndr/security.h"
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| 23 | #include "libcli/security/secace.h"
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| 24 | #include "libcli/security/dom_sid.h"
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| 25 | #include "librpc/ndr/libndr.h"
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| 26 |
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| 27 | /****************************************************************************
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| 28 | convert a security permissions into a string
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| 29 | ****************************************************************************/
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| 30 |
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| 31 | char *get_sec_mask_str(TALLOC_CTX *ctx, uint32_t type)
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| 32 | {
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| 33 | char *typestr = talloc_strdup(ctx, "");
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| 34 |
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| 35 | if (!typestr) {
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| 36 | return NULL;
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| 37 | }
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| 38 |
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| 39 | if (type & SEC_GENERIC_ALL) {
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| 40 | typestr = talloc_asprintf_append(typestr,
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| 41 | "Generic all access ");
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| 42 | if (!typestr) {
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| 43 | return NULL;
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| 44 | }
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| 45 | }
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| 46 | if (type & SEC_GENERIC_EXECUTE) {
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| 47 | typestr = talloc_asprintf_append(typestr,
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| 48 | "Generic execute access");
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| 49 | if (!typestr) {
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| 50 | return NULL;
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| 51 | }
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| 52 | }
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| 53 | if (type & SEC_GENERIC_WRITE) {
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| 54 | typestr = talloc_asprintf_append(typestr,
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| 55 | "Generic write access ");
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| 56 | if (!typestr) {
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| 57 | return NULL;
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| 58 | }
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| 59 | }
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| 60 | if (type & SEC_GENERIC_READ) {
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| 61 | typestr = talloc_asprintf_append(typestr,
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| 62 | "Generic read access ");
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| 63 | if (!typestr) {
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| 64 | return NULL;
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| 65 | }
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| 66 | }
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| 67 | if (type & SEC_FLAG_MAXIMUM_ALLOWED) {
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| 68 | typestr = talloc_asprintf_append(typestr,
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| 69 | "MAXIMUM_ALLOWED_ACCESS ");
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| 70 | if (!typestr) {
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| 71 | return NULL;
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| 72 | }
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| 73 | }
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| 74 | if (type & SEC_FLAG_SYSTEM_SECURITY) {
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| 75 | typestr = talloc_asprintf_append(typestr,
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| 76 | "SYSTEM_SECURITY_ACCESS ");
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| 77 | if (!typestr) {
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| 78 | return NULL;
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| 79 | }
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| 80 | }
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| 81 | if (type & SEC_STD_SYNCHRONIZE) {
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| 82 | typestr = talloc_asprintf_append(typestr,
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| 83 | "SYNCHRONIZE_ACCESS ");
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| 84 | if (!typestr) {
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| 85 | return NULL;
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| 86 | }
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| 87 | }
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| 88 | if (type & SEC_STD_WRITE_OWNER) {
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| 89 | typestr = talloc_asprintf_append(typestr,
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| 90 | "WRITE_OWNER_ACCESS ");
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| 91 | if (!typestr) {
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| 92 | return NULL;
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| 93 | }
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| 94 | }
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| 95 | if (type & SEC_STD_WRITE_DAC) {
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| 96 | typestr = talloc_asprintf_append(typestr,
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| 97 | "WRITE_DAC_ACCESS ");
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| 98 | if (!typestr) {
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| 99 | return NULL;
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| 100 | }
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| 101 | }
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| 102 | if (type & SEC_STD_READ_CONTROL) {
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| 103 | typestr = talloc_asprintf_append(typestr,
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| 104 | "READ_CONTROL_ACCESS ");
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| 105 | if (!typestr) {
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| 106 | return NULL;
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| 107 | }
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| 108 | }
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| 109 | if (type & SEC_STD_DELETE) {
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| 110 | typestr = talloc_asprintf_append(typestr,
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| 111 | "DELETE_ACCESS ");
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| 112 | if (!typestr) {
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| 113 | return NULL;
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| 114 | }
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| 115 | }
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| 116 |
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| 117 | printf("\t\tSpecific bits: 0x%lx\n", (unsigned long)type&SEC_MASK_SPECIFIC);
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| 118 |
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| 119 | return typestr;
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| 120 | }
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| 121 |
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| 122 | /****************************************************************************
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| 123 | display sec_access structure
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| 124 | ****************************************************************************/
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| 125 | void display_sec_access(uint32_t *info)
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| 126 | {
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| 127 | char *mask_str = get_sec_mask_str(NULL, *info);
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| 128 | printf("\t\tPermissions: 0x%x: %s\n", *info, mask_str ? mask_str : "");
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| 129 | talloc_free(mask_str);
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| 130 | }
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| 131 |
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| 132 | /****************************************************************************
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| 133 | display sec_ace flags
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| 134 | ****************************************************************************/
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| 135 | void display_sec_ace_flags(uint8_t flags)
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| 136 | {
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| 137 | if (flags & SEC_ACE_FLAG_OBJECT_INHERIT)
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| 138 | printf("SEC_ACE_FLAG_OBJECT_INHERIT ");
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| 139 | if (flags & SEC_ACE_FLAG_CONTAINER_INHERIT)
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| 140 | printf(" SEC_ACE_FLAG_CONTAINER_INHERIT ");
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| 141 | if (flags & SEC_ACE_FLAG_NO_PROPAGATE_INHERIT)
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| 142 | printf("SEC_ACE_FLAG_NO_PROPAGATE_INHERIT ");
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| 143 | if (flags & SEC_ACE_FLAG_INHERIT_ONLY)
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| 144 | printf("SEC_ACE_FLAG_INHERIT_ONLY ");
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| 145 | if (flags & SEC_ACE_FLAG_INHERITED_ACE)
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| 146 | printf("SEC_ACE_FLAG_INHERITED_ACE ");
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| 147 | /* if (flags & SEC_ACE_FLAG_VALID_INHERIT)
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| 148 | printf("SEC_ACE_FLAG_VALID_INHERIT "); */
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| 149 | if (flags & SEC_ACE_FLAG_SUCCESSFUL_ACCESS)
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| 150 | printf("SEC_ACE_FLAG_SUCCESSFUL_ACCESS ");
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| 151 | if (flags & SEC_ACE_FLAG_FAILED_ACCESS)
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| 152 | printf("SEC_ACE_FLAG_FAILED_ACCESS ");
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| 153 |
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| 154 | printf("\n");
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| 155 | }
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| 156 |
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| 157 | /****************************************************************************
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| 158 | display sec_ace object
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| 159 | ****************************************************************************/
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| 160 | static void disp_sec_ace_object(struct security_ace_object *object)
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| 161 | {
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| 162 | if (object->flags & SEC_ACE_OBJECT_TYPE_PRESENT) {
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| 163 | printf("Object type: SEC_ACE_OBJECT_TYPE_PRESENT\n");
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| 164 | printf("Object GUID: %s\n", GUID_string(talloc_tos(),
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| 165 | &object->type.type));
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| 166 | }
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| 167 | if (object->flags & SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT) {
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| 168 | printf("Object type: SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT\n");
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| 169 | printf("Object GUID: %s\n", GUID_string(talloc_tos(),
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| 170 | &object->inherited_type.inherited_type));
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| 171 | }
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| 172 | }
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| 173 |
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| 174 | /****************************************************************************
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| 175 | display sec_ace structure
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| 176 | ****************************************************************************/
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| 177 | void display_sec_ace(struct security_ace *ace)
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| 178 | {
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| 179 | char *sid_str;
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| 180 |
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| 181 | printf("\tACE\n\t\ttype: ");
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| 182 | switch (ace->type) {
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| 183 | case SEC_ACE_TYPE_ACCESS_ALLOWED:
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| 184 | printf("ACCESS ALLOWED");
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| 185 | break;
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| 186 | case SEC_ACE_TYPE_ACCESS_DENIED:
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| 187 | printf("ACCESS DENIED");
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| 188 | break;
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| 189 | case SEC_ACE_TYPE_SYSTEM_AUDIT:
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| 190 | printf("SYSTEM AUDIT");
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| 191 | break;
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| 192 | case SEC_ACE_TYPE_SYSTEM_ALARM:
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| 193 | printf("SYSTEM ALARM");
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| 194 | break;
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| 195 | case SEC_ACE_TYPE_ALLOWED_COMPOUND:
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| 196 | printf("SEC_ACE_TYPE_ALLOWED_COMPOUND");
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| 197 | break;
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| 198 | case SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT:
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| 199 | printf("SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT");
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| 200 | break;
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| 201 | case SEC_ACE_TYPE_ACCESS_DENIED_OBJECT:
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| 202 | printf("SEC_ACE_TYPE_ACCESS_DENIED_OBJECT");
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| 203 | break;
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| 204 | case SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT:
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| 205 | printf("SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT");
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| 206 | break;
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| 207 | case SEC_ACE_TYPE_SYSTEM_ALARM_OBJECT:
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| 208 | printf("SEC_ACE_TYPE_SYSTEM_ALARM_OBJECT");
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| 209 | break;
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| 210 | default:
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| 211 | printf("????");
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| 212 | break;
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| 213 | }
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| 214 |
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| 215 | printf(" (%d) flags: 0x%02x ", ace->type, ace->flags);
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| 216 | display_sec_ace_flags(ace->flags);
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| 217 | display_sec_access(&ace->access_mask);
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| 218 | sid_str = dom_sid_string(NULL, &ace->trustee);
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| 219 | printf("\t\tSID: %s\n\n", sid_str);
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| 220 | talloc_free(sid_str);
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| 221 |
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| 222 | if (sec_ace_object(ace->type)) {
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| 223 | disp_sec_ace_object(&ace->object.object);
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| 224 | }
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| 225 |
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| 226 | }
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| 227 |
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| 228 | /****************************************************************************
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| 229 | display sec_acl structure
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| 230 | ****************************************************************************/
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| 231 | void display_sec_acl(struct security_acl *sec_acl)
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| 232 | {
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| 233 | int i;
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| 234 |
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| 235 | printf("\tACL\tNum ACEs:\t%d\trevision:\t%x\n",
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| 236 | sec_acl->num_aces, sec_acl->revision);
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| 237 | printf("\t---\n");
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| 238 |
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| 239 | if (sec_acl->size != 0 && sec_acl->num_aces != 0) {
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| 240 | for (i = 0; i < sec_acl->num_aces; i++) {
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| 241 | display_sec_ace(&sec_acl->aces[i]);
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| 242 | }
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| 243 | }
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| 244 | }
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| 245 |
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| 246 | void display_acl_type(uint16_t type)
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| 247 | {
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| 248 | printf("type: 0x%04x: ", type);
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| 249 |
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| 250 | if (type & SEC_DESC_OWNER_DEFAULTED) /* 0x0001 */
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| 251 | printf("SEC_DESC_OWNER_DEFAULTED ");
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| 252 | if (type & SEC_DESC_GROUP_DEFAULTED) /* 0x0002 */
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| 253 | printf("SEC_DESC_GROUP_DEFAULTED ");
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| 254 | if (type & SEC_DESC_DACL_PRESENT) /* 0x0004 */
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| 255 | printf("SEC_DESC_DACL_PRESENT ");
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| 256 | if (type & SEC_DESC_DACL_DEFAULTED) /* 0x0008 */
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| 257 | printf("SEC_DESC_DACL_DEFAULTED ");
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| 258 | if (type & SEC_DESC_SACL_PRESENT) /* 0x0010 */
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| 259 | printf("SEC_DESC_SACL_PRESENT ");
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| 260 | if (type & SEC_DESC_SACL_DEFAULTED) /* 0x0020 */
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| 261 | printf("SEC_DESC_SACL_DEFAULTED ");
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| 262 | if (type & SEC_DESC_DACL_TRUSTED) /* 0x0040 */
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| 263 | printf("SEC_DESC_DACL_TRUSTED ");
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| 264 | if (type & SEC_DESC_SERVER_SECURITY) /* 0x0080 */
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| 265 | printf("SEC_DESC_SERVER_SECURITY ");
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| 266 | if (type & SEC_DESC_DACL_AUTO_INHERIT_REQ) /* 0x0100 */
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| 267 | printf("SEC_DESC_DACL_AUTO_INHERIT_REQ ");
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| 268 | if (type & SEC_DESC_SACL_AUTO_INHERIT_REQ) /* 0x0200 */
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| 269 | printf("SEC_DESC_SACL_AUTO_INHERIT_REQ ");
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| 270 | if (type & SEC_DESC_DACL_AUTO_INHERITED) /* 0x0400 */
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| 271 | printf("SEC_DESC_DACL_AUTO_INHERITED ");
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| 272 | if (type & SEC_DESC_SACL_AUTO_INHERITED) /* 0x0800 */
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| 273 | printf("SEC_DESC_SACL_AUTO_INHERITED ");
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| 274 | if (type & SEC_DESC_DACL_PROTECTED) /* 0x1000 */
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| 275 | printf("SEC_DESC_DACL_PROTECTED ");
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| 276 | if (type & SEC_DESC_SACL_PROTECTED) /* 0x2000 */
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| 277 | printf("SEC_DESC_SACL_PROTECTED ");
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| 278 | if (type & SEC_DESC_RM_CONTROL_VALID) /* 0x4000 */
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| 279 | printf("SEC_DESC_RM_CONTROL_VALID ");
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| 280 | if (type & SEC_DESC_SELF_RELATIVE) /* 0x8000 */
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| 281 | printf("SEC_DESC_SELF_RELATIVE ");
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| 282 |
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| 283 | printf("\n");
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| 284 | }
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| 285 |
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| 286 | /****************************************************************************
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| 287 | display sec_desc structure
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| 288 | ****************************************************************************/
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| 289 | void display_sec_desc(struct security_descriptor *sec)
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| 290 | {
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| 291 | char *sid_str;
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| 292 |
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| 293 | if (!sec) {
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| 294 | printf("NULL\n");
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| 295 | return;
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| 296 | }
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| 297 |
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| 298 | printf("revision: %d\n", sec->revision);
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| 299 | display_acl_type(sec->type);
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| 300 |
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| 301 | if (sec->sacl) {
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| 302 | printf("SACL\n");
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| 303 | display_sec_acl(sec->sacl);
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| 304 | }
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| 305 |
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| 306 | if (sec->dacl) {
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| 307 | printf("DACL\n");
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| 308 | display_sec_acl(sec->dacl);
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| 309 | }
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| 310 |
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| 311 | if (sec->owner_sid) {
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| 312 | sid_str = dom_sid_string(NULL, sec->owner_sid);
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| 313 | printf("\tOwner SID:\t%s\n", sid_str);
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| 314 | talloc_free(sid_str);
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| 315 | }
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| 316 |
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| 317 | if (sec->group_sid) {
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| 318 | sid_str = dom_sid_string(NULL, sec->group_sid);
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| 319 | printf("\tGroup SID:\t%s\n", sid_str);
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| 320 | talloc_free(sid_str);
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| 321 | }
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| 322 | }
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